US Bridges

Cth C over Sth 23

Good

Sheboygan County, Wisconsin · At Sth 23 · Structure no. B59017900000000

Built
2005
20 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
274 ft
2 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

Cth C over Sth 23 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth C over Sth 23 in Sheboygan County, Wisconsin. It was built in 2005, so it is 20 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,400 vehicles a day, projected to reach 9,100 by 2041. The structure is 274 ft (83.5 m) long and 73 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth C
CrossesSth 23
LocationAt Sth 23
RouteCounty Highway 0C
Coordinates43.76165, -88.00198
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span135 ft (41.1 m)
Deck width73 ft (22.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic9,100 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth C over Sth 23 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Cth C over Sth 23 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does Cth C over Sth 23 carry?

About 3,400 vehicles per day (2022 count).

How long is Cth C over Sth 23?

The structure is 274 ft (83.5 m) long with a longest span of 135 ft (41.1 m) and a deck 73 ft wide.

Who owns Cth C over Sth 23?

It is owned by the State Highway Agency.